What is respiration?
anosh108:
respiration is the exchange of environmental oxygen with the carbon dioxide produced in the cells during oxidation of food
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A process by which living things produce energy from food. Respiration usually needs oxygen.
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▪All living organisms require energy to carry out various life processes . like nutrition, transport, excretion, reproduction, etc.)
▪This energy is stored in the food that we eat .
▪In order to break down food to release energy oxidation, of food ( reaction with oxygen ) takes place .
▪This reaction takes place in the cells of the body of the organisms .
▪The oxygen needed for the oxidation comes from the air that we inhale ( breathe in ).
▪This oxygen is then transported to all the body parts and finally, to every cell .
▪Thus, the process in which food is broken down to release energy is called respiration .
▪During respiration, carbon dioxide and water are released as waste- products .
▪The two basic processes of respiration are : external respiration and internal respiration .
▪The external respiration is also known as breathing .
▪It involves breathing in a rich in oxygen ( inhalation ) and breaking out air rich in carbon dioxide ( exhalation ) .
▪Internal respiration is also known as cellular respiration .
▪It involves The breakdown of food using oxide to release energy .
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